Australasian Bittern at Te Waihora ? MATUKU Nationally critical - - PowerPoint PPT Presentation

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Australasian Bittern at Te Waihora ? MATUKU Nationally critical - - PowerPoint PPT Presentation

Nov 06, 2023 269 likes •391 views

Whats the Story with Australasian Bittern at Te Waihora ? MATUKU Nationally critical Specialist, apex predator Elusive, cryptic traveler Boom 2 Matuku and Te Waihora Photo credit- Lynette Harris 3 Why Te Waihora?

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What’s the Story with Australasian Bittern at Te Waihora ?

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2

  • Nationally critical
  • Specialist, apex

predator

  • Elusive, cryptic

traveler

  • Boom

MATUKU

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Matuku and Te Waihora

Photo credit- Lynette Harris

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Why Te Waihora?

  • Extensive and varied habitat

Harts Creek, Irwell river, Yarrs flat, Lakeside, Boggy creek, Halswell river, LII river

  • Food availability
  • Sparse and low human disturbance
  • Where else is there to go?!
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So how are we helping?

The Bittern Project

  • 2014- Ecan and DOC partnership

Aims-

  • Develop methods to find and monitor
  • Define threats
  • Educate ourselves for informed

decision making

  • Begin predator control at Harts Creek

Photo credit- Sarah Crump

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Predator traplines

Harts Creek ~ 400 predators removed since 2015 DOC 200 and 250 Timms traps Goodnature A12 Newly installed lines at Lakeside and Halswell River mouth

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What have we found so far?

Call monitoring

Listening stations- Harts Creek and Timber yard point, LII river mouth, Halswell river mouth Acoustic recorder sites- Taumutu, Lakeside reserve, Boggy Creek and Irwell river.

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What have we found so far?

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What have we found so far?

Tx 19

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Restoring bittern habitat

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What are we still unsure about?

Harriers!

Photo credit- Sarah Crump